E28-2G4T27SX_SX12**_SPI/SOC/UART_Module

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E28-2G4T27SX Ebyte Semtech SX1281 UART 7Km Range 2.4GHz 27dBm SMD 25*40.5mm CE RoHs FCC LoRa Wireless Transmitter RF Module

[IC]：SX1281

[Frequency]：2.4~2.5GHz

[Power]：27dBm

[Distance]：7km

[Size]：40.5*25mm

[Weight]：4.8±0.1g

[Introduction]：E28-2G4T27SX is an based on SEMTECH SX1281, it adopts transparent transmission and works at 2.4GHz band. It adopts LoRa, FLRC and GFSK modulations. It features SMD packing with both IPX and PCB antenna interfaces, compatible with 3.3V and 5V IO port voltage.

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Main Parameters	Performance		Note
Main Parameters	Min.	Max	Note
Power supply（V）	2.3	5.5	Voltage over 5.5V will cause permanent damage to module
Blocking power [dBm]	-	10	Chances of burn is slim when modules are used inshort distance
Operating temperature [℃]	-40	+85	-

Main Parameters	Performance			Note
Main Parameters	Min.	Typ	Max	Note
Voltage supply [V]	2.3	5.0	5.5	≥5.0V ensures output power
Communication level [V]	-	3.3	-	For 5V TTL, it may be at risk of burning down
Operating temperature [℃]	-40	-	+85	-
Frequency [MHz]	2400	-	2500	ISM band
Transmitting current[mA]	-	500	-	Instant power consumption
Receiving current[mA]	-	27	-	-
Turn-off current[μA]	-	10	-	Software is shut down
Transmitting power [dBm]	26.5	27	27.5	-
Receiving sensitivity [dBm]	-130	-132	-134	Air data rate: 115.2Kbps
Air data rate（bps）	1k	1k	2M	Defined by user via programming

Main parameter	Description	Note
Distance	7000m	Test condition：clear and open area, antenna gain: 5dBi，antennaheight: 2.5m，air data rate: 1kbps
FIFO	121 Byte	Max. Transmitting length per packet
FIFO	221 Byte	Continuous transmission mode
Cache	2048 Byte	-
Modulation	GFSK	-
	LoRa	-
	FLRC	-
Interface	UART	TTL
Package	SMD	-
Connector	1.27mm	-
Size	40.5*25mm	-
Antenna	IPEX/Sample hole	50Ω Impedance

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